Home / 10,752,078.40-16,128,117.60-4,780,110.40

Finding the Fourth Proportional to 10,752,078.40, 16,128,117.60 and 4,780,110.40

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Solution

The fourth proportional to 10,752,078.40, 16,128,117.60 and 4,780,110.40 is: 7,170,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,078.40 : 16,128,117.60 = 4,780,110.40 : x
  2. Step 2: Convert to fraction form
    10,752,078.40/16,128,117.60 = 4,780,110.40/x
  3. Step 3: Cross multiply
    10,752,078.40x = 16,128,117.60 × 4,780,110.40
  4. Step 4: Simplify right side
    10,752,078.40x = 77,094,182,672,183.05
  5. Step 5: Solve for x
    x = 77,094,182,672,183.05/10,752,078.40
  6. Step 6: Final answer
    x = 7,170,165.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.